JPS5217041A - System for detecting a point on a transmission line where an abnormal state occurs - Google Patents
System for detecting a point on a transmission line where an abnormal state occursInfo
- Publication number
- JPS5217041A JPS5217041A JP50092020A JP9202075A JPS5217041A JP S5217041 A JPS5217041 A JP S5217041A JP 50092020 A JP50092020 A JP 50092020A JP 9202075 A JP9202075 A JP 9202075A JP S5217041 A JPS5217041 A JP S5217041A
- Authority
- JP
- Japan
- Prior art keywords
- transmission line
- abnormal state
- point
- detecting
- state occurs
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
- Small-Scale Networks (AREA)
Abstract
PURPOSE: To detect an abnormal state occurring on a loop transmission line and its occurrence point without increasing transmission lines etc.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50092020A JPS5217041A (en) | 1975-07-30 | 1975-07-30 | System for detecting a point on a transmission line where an abnormal state occurs |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50092020A JPS5217041A (en) | 1975-07-30 | 1975-07-30 | System for detecting a point on a transmission line where an abnormal state occurs |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5217041A true JPS5217041A (en) | 1977-02-08 |
Family
ID=14042839
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50092020A Pending JPS5217041A (en) | 1975-07-30 | 1975-07-30 | System for detecting a point on a transmission line where an abnormal state occurs |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5217041A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59100652A (en) * | 1982-11-30 | 1984-06-09 | Yokogawa Hokushin Electric Corp | Status detecting method of loop transmission line |
JPS60501487A (en) * | 1983-05-31 | 1985-09-05 | クローネ ファイバー オプティック コミュニカツィオンステヒニク ゲーエムベーハー | Data transmission method and device in data loop |
JPS62175045A (en) * | 1986-01-28 | 1987-07-31 | Nec Corp | Alarm informing system |
-
1975
- 1975-07-30 JP JP50092020A patent/JPS5217041A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59100652A (en) * | 1982-11-30 | 1984-06-09 | Yokogawa Hokushin Electric Corp | Status detecting method of loop transmission line |
JPS60501487A (en) * | 1983-05-31 | 1985-09-05 | クローネ ファイバー オプティック コミュニカツィオンステヒニク ゲーエムベーハー | Data transmission method and device in data loop |
JPS62175045A (en) * | 1986-01-28 | 1987-07-31 | Nec Corp | Alarm informing system |
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